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Phys.org / Antarctic drilling peers deep into ice shelf's past
Scientists say they have drilled deeper than ever beneath the West Antarctic Ice Sheet, peering back millions of years to reveal signs it was once, at least in part, open ocean.
Tech Xplore / Age verification online can be done safely and privately. Here's how
Online chat service Discord has announced it will begin testing age verification for some users, joining a growing list of platforms trying to work out who is actually behind the screen.
Phys.org / Five ways that AI could be reshaping your relationship with money
The financial industry is entering a new era, with AI and new regulations on accessing data transforming how finance works. These changes are giving people more options to manage their money in new ways—taking us closer ...
Phys.org / Birds change altitude to survive epic journeys across deserts and seas
Every year, billions of birds undertake extraordinary migrations, crossing vast deserts and open seas with no place to stop, feed, or rest. A new international study published in iScience by a consortium of researchers from ...
Tech Xplore / AI chatbots provide less-accurate information to vulnerable users, study shows
Large language models (LLMs) have been championed as tools that could democratize access to information worldwide, offering knowledge in a user-friendly interface regardless of a person's background or location. However, ...
Tech Xplore / New chip-fabrication method creates 'twin' fingerprints for direct authentication
Just like each person has unique fingerprints, every CMOS chip has a distinctive "fingerprint" caused by tiny, random manufacturing variations. Engineers can leverage this unforgeable ID for authentication, to safeguard a ...
Medical Xpress / Astrocytes, not just neurons, found to drive fear memory signals in the amygdala
Picture a star-shaped cell in the brain, stretching its spindly arms out to cradle the neurons around it. That's an astrocyte, and for a long time, scientists thought its job was caretaking the brain, gluing together neurons, ...
Phys.org / Helping beekeepers fight mites through more effective treatments
Researchers from the USDA's Agricultural Research Service (ARS) and the University of California, Davis, are helping beekeepers protect their colonies from destructive varroa mites. In a new study, the researchers investigate ...
Phys.org / NASA moon rocket hit by new problem, putting March launch with astronauts in jeopardy
NASA's new moon rocket suffered another setback Saturday, putting next month's planned launch with astronauts in jeopardy.
Phys.org / Massive ceramics haul from a 14th-century shipwreck reveals Singapore's trading past
Singapore was a thriving trading hub hundreds of years before popular narratives depicted it as a quiet fishing village, according to a study of the cargo of a centuries-old shipwreck. Sometime during the middle of the 14th ...
Phys.org / Americium, curium and californium—crystallizing the rarest elements
Actinides are a group of heavy, radioactive elements that include uranium, plutonium, americium, curium, berkelium and californium. Understanding how these elements bond with other atoms (known as coordination chemistry), ...
Phys.org / Is teasing playful or harmful? It depends on a number of factors
Picture this: A group of girls are sitting at a table in the lunchroom when a boy walks by. One girl turns to another girl and laughingly says, "Oh, isn't that your boyfriend? You should go kiss him!"
